Description: Exception ticking world

java.lang.NullPointerException: Exception ticking world
	at com.InfinityRaider.AgriCraft.farming.mutation.MutationHandler.setResultStats(MutationHandler.java:172)
	at com.InfinityRaider.AgriCraft.farming.mutation.SpreadStrategy.executeStrategy(SpreadStrategy.java:24)
	at com.InfinityRaider.AgriCraft.farming.mutation.MutationEngine.executeCrossOver(MutationEngine.java:35)
	at com.InfinityRaider.AgriCraft.tileentity.TileEntityCrop.crossOver(TileEntityCrop.java:342)
	at com.InfinityRaider.AgriCraft.blocks.BlockCrop.func_149674_a(BlockCrop.java:122)
	at net.minecraft.world.WorldServer.func_147456_g(WorldServer.java:391)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:183)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)